.download-mian {
  padding-top: 2.77rem;
  width: 100%;
  background-color: #f6f6f6;
  .survey-banner {
    position: relative;
    width: 100%;
    img {
      width: 100%;
    }
    .survey-banner-layer {
      width: 100%;
      position: absolute;
      top: 1.6rem;
      text-align: center;
      color: #fff;
      h1 {
        font-size: 1.06rem;
        margin: 0.48rem;
        font-weight: normal;
      }
      p {
        font-size: 0.69rem;
        margin-bottom: 0.66rem;
      }
      .download-btn {
        width: 7.41rem;
        height: 1.65rem;
        line-height: 1.65rem;
        font-size: 0.64rem;
        background-color: #30bf6d;
        border-radius: 1rem;
        box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.33);
        margin-left: auto;
        margin-right: auto;
      }
    }
  }
  .download-main-top {
    margin-bottom: 0.37rem;
    background-color: #fff;
    .title {
      padding: 1.06rem 0;
      img {
        width: 8.45rem;
        margin-left: auto;
        margin-right: auto;
      }
    }
    .download-content {
      width: 85.6%;
      margin-left: auto;
      margin-right: auto;
      padding-top: 0.4rem;
      padding-bottom: 0.8rem;
      font-size: 0.58rem;
      color: #333;
    }
  }
  .download-main-bottom {
    width: 100%;
    .convenient {
      background-image: url('../images/download-pic01.png');
    }
    .share {
      text-align: right;
      background-image: url('../images/download-pic02.png');
    }
    .high-quality {
      background-image: url('../images/download-pic03.png');
    }
    .download-bg {
      background-repeat: no-repeat;
      background-size: cover;
      width: 75.4%;
      height: 6.16rem;
      position: relative;
      padding-left: 12.3%;
      padding-right: 12.3%;
      padding-top: 2.32rem;
      .download-title {
        font-size: 0.96rem;
        color: #333;
      }
      .download-txt {
        margin-top: 0.34rem;
        font-size: 0.53rem;
        color: #7b7b7b;
      }
    }
  }
}
.content {
  position: relative;
  z-index: 1;
}
.explain {
  position: absolute;
  z-index: 3;
  // width: 100%;
  // height: 100%;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  .rs-arrow {
    margin-top: 8.16rem;
    margin-left: 12.8rem;
    .rs-arrow-img:after {
      width: 4.26rem;
      height: 4.26rem;
      content: '';
      display: block;
      background-image: url('../images/rs-arrow.png');
      background-repeat: no-repeat;
      background-size: cover;
    }
  }
  .rs-browser {
    margin-left: 3.78rem;
    color: #fff;
    height: 1.22rem;
    line-height: 1.22rem;
    .browser:after {
      width: 1.2rem;
      height: 1.2rem;
      display: inline-block;
      content: '';
      background-image: url('../images/rs-browser.png');
      background-repeat: no-repeat;
      background-size: cover;
      vertical-align: middle;
    }
  }
  .rs-know {
    margin: 3.62rem auto;
    width: 33.06%;
    // .rs-know-img:after {
    //   width: 6.66rem;
    //   content: '';
    //   display: block;
    //   background-image: url('../images/rs-know.png');
    //   background-repeat: no-repeat;
    //   background-size: 100%;
    // }
    .rs-know-img {
      width: 6.66rem;
    }
  }
}
